Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10688588 | Continuous feed spindle attachment | Wendell V. Twelves, Tahany Ibrahim El-Wardany, Sergey Mironets, Ranadip Acharya, William K. Tredway | 2020-06-23 |
| 10621527 | Integrated system for sales, installation, and maintenance of building systems | Ankit Tiwari, Berta Carballido Villaverde, Rodolfo De Paz Alberola, Vijaya Ramaraju Lakamraju, Kushal Mukherjee +1 more | 2020-04-14 |
| 10072162 | Method of making a cord and polymer jacket assembly having a flame retardant in the polymer jacket material | Xiaomei Yu, Gopal R. Krishnan, John P. Wesson, Wayde R. Schmidt | 2018-09-11 |
| 9555579 | Tension member and polymer jacket assembly including a geometry stabilizer in the jacket | Gopal R. Krishnan, Xiaomei Yu, John P. Wesson | 2017-01-31 |
| 9217264 | Low energy clutch for electronic door lock | Ulf J. Jonsson, Robert H. Dold, Fanping Sun, Zaffir A. Chaudhry | 2015-12-22 |
| 8889277 | Battery fire prevention via thermal management | Vijaya Ramaraju Lakamraju, Jean Yamanis, Ulf J. Jonsson, Ritesh Khire, Jinliang Wang | 2014-11-18 |
| 8721949 | Modular handrail construction for a passenger conveyor handrail | John P. Wesson, Changsheng Guo, James R. Irish, Gopalakrishna Rajagopalan, Xiaomei Yu +3 more | 2014-05-13 |
| 8702133 | Bi-stable actuator for electronic lock | Fanping Sun, Zaffir A. Chaudhry, Ulf J. Jonsson, Kitty P. Liu | 2014-04-22 |
| 8640426 | Thermal barriers of elevator door roller and rail | Jinliang Wang, Xiaomei Yu, Mikhail B. Gorbounov, Zlatko Strbuncelj | 2014-02-04 |
| 8562721 | Battery fire prevention device | Vijaya Ramaraju Lakamraju, Ulf J. Paholsky, Richard J. Paholsky, John J. Calabrese | 2013-10-22 |
| 8561443 | Semi-active electrorheological fluid clutch for electronic door lock | Fanping Sun, Zaffir A. Chaudhry, Ulf J. Jonsson | 2013-10-22 |
| 8479887 | Cord and polymer jacket assembly having a flame retardant in the polymer jacket material | Xiaomei Yu, Gopal R. Krishnan, John P. Wesson, Wayde R. Schmidt | 2013-07-09 |
| 8443574 | Intumescent thermal barrier from hub to tire | Xiaomei Yu, Jinliang Wang | 2013-05-21 |
| 8387780 | Cord and polymer jacket assembly having an adhesion enhancer in the polymer jacket material | Xiaomei Yu, Gopal R. Krishnan, John P. Wesson | 2013-03-05 |
| 8307952 | Elevator system with multiple cars in a hoistway | Richard N. Fargo, Harold Terry, Frank Sansevero, Boris G. Traktovenko, David J. Sirag, Jr. +2 more | 2012-11-13 |
| 8252411 | Joint configuration for a load bearing assembly | William A. Veronesi, Justin R. Hawkes, John P. Wesson, Tahany Ibrahim El-Wardany, Changsheng Guo +1 more | 2012-08-28 |
| 7987947 | Call indicator provided near elevator car currently assigned to the call | Theresa M. Christy, Jannah A. Stanley, Hideyuki Honma, Arthur Hsu, Toshimitsu Mori +4 more | 2011-08-02 |
| 7766150 | Passenger conveyor handrail with a unique sliding layer | Changsheng Guo, John P. Wesson, James R. Irish, Foster P. Lamm | 2010-08-03 |
| 7753175 | Elevator car having an angled underslung roping arrangement | Loren Fanion, John Ferrisi, Kevin Gleason, Daniel Greer, Robert Hammell +5 more | 2010-07-13 |
| 7650981 | Passenger conveyor handrail sliding layer treatment | Changsheng Guo, John P. Wesson | 2010-01-26 |
| 7641038 | Passenger conveyor handrail and method of manufacture | Tahany Ibrahim El-Wardany, Changsheng Guo, John P. Wesson, Foster P. Lamm, Detlev Lindemeier | 2010-01-05 |
| 7614489 | Handrail guidance for a passenger conveyor | Changsheng Guo, John P. Wesson, Foster P. Lamm | 2009-11-10 |
| 7614490 | Passenger conveyor handrail having a gripping surface with a generally circular cross-section | Mary Ann T. Valk, Bryan Robert Siewert, Andre Picker, Matthias Steffen, Andreas Stuffel +2 more | 2009-11-10 |
| 7597177 | Ultrasonic/electromagnetic non-contact buttons/switches for elevators | Jae-Hyuk Oh, Alberto Vecchiotti, Pei-Yuan Peng, Norbert A. M. Hootsmans | 2009-10-06 |
| 7562759 | Passenger conveyor handrail with sliding material on toothed driven surface | Changsheng Guo, Klaus Seehausen, Bernward Engelke, Detlev Lindemeier, Bryan Robert Siewert +5 more | 2009-07-21 |